Diff: main.cpp

Revision:

1:9dcccb399f0b

Parent:

0:6069c0f2a245

Child:

3:f7923b9e8611

diff -r 6069c0f2a245 -r 9dcccb399f0b main.cpp
--- a/main.cpp	Tue Nov 21 11:24:25 2017 +0000
+++ b/main.cpp	Tue Nov 21 19:13:17 2017 +0000
@@ -5,13 +5,41 @@
 AD9833 gen;       // AD9833 object. Defaults to 25MHz internal reference frequency
 AD9850 dds;       // AD9850 object.
 
+DigitalOut GENLED(PC_7);         //LED for AD9833 output
+DigitalOut DDSLED(PC_13);        //LED for AD9850 output
+
 double GENfreq = 10000;            //frequency for the AD9833
-double DDSfreq = 10000000;         //frequency for the AD9850
+double DDSfreq = 10000;         //frequency for the AD9850
 double DDStrimFreq = 124999500;    //frequency used by AD9850 to calibrate
 int DDSphase = 0;                  //phase for the AD9850
 
+Thread thread;                   //create thread to allow simultaneous LED blink and DDS output
+
+//AD9833 LED thread
+void GENBlinkThread() {
+    while (true) {
+        GENLED = !GENLED;
+        if(GENfreq != DDSfreq){
+            Thread::wait(1000/GENfreq);     
+        }else{
+            Thread::wait(1500/GENfreq);   //changed the thread wait time so that it will not equal the other thread
+        }
+    }
+}
+
+//AD9850 LED thread
+void DDSBlinkThread() {
+    while (true) {
+        DDSLED = !DDSLED;
+        Thread::wait(1000/DDSfreq);
+    }
+}
+
 int main() { 
-    
+
+    thread.start(callback(GENBlinkThread));
+    thread.start(callback(DDSBlinkThread));
+   
     // Sequence to follow to generate waveform using AD9833
     gen.Begin();              // The loaded defaults are 1000 Hz SINE_WAVE using REG0
                              // The output is OFF, Sleep mode is disabled
@@ -25,5 +53,6 @@
     dds.Begin();                         //begin generating for the AD9850
     dds.CalibrateDDS(DDStrimFreq);       //calibrate to match crystal oscillator
     dds.SetDDSFrequency(DDSfreq, DDSphase);
+    
+    while(1);
 }
-